Fields: FULLERTON
Cum Oil
2.6M BBL
Cum Gas
1.2M MCF
casinghead
Wells
50
Production
1993-01 — 2026-04
Peak Month
2007-07
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
Cum Oil: 2,568,909 BBL Cum Gas: 1,151,391 MCF
RRC production reported through Apr 2026 · recent months incomplete
Decline Curve Analysis
qi
19,779 BBL/mo
Di (annual)
18.2%
b-factor
0.4
EUR
1,958,464 BBL
R-squared
0.884
type
hyperbolic
Operator History (from monthly production reports)
Wells (50)
| WELL# | API | OPERATOR | PERMITS | DEPTH | LAST_ISSUED |
|---|---|---|---|---|---|
| 25 | 42-003-44281 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2012-05-04 |
| 26 | 42-003-44283 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2012-05-04 |
| 27 | 42-003-44284 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2012-05-04 |
| 28 | 42-003-44254 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2012-05-01 |
| 38 | 42-003-43075 | HIGHMARK ENERGY OPERATING, LLC | 1 | 10,800 | 2011-06-21 |
| 37 | 42-003-43008 | HIGHMARK ENERGY OPERATING, LLC | 1 | 8,000 | 2011-06-07 |
| 30 | 42-003-42841 | HIGHMARK ENERGY OPERATING, LLC | 1 | 8,000 | 2011-04-18 |
| 33 | 42-003-42840 | HIGHMARK ENERGY OPERATING, LLC | 1 | 8,000 | 2011-04-18 |
| 3 C | 42-003-34877 | HIGHMARK ENERGY OPERATING, LLC | 2 | 7,200 | 2009-05-27 |
| 29 | 42-003-39970 | HIGHMARK ENERGY OPERATING, LLC | 1 | 8,000 | 2006-10-24 |
| 32 | 42-003-39969 | HIGHMARK ENERGY OPERATING, LLC | 1 | 8,000 | 2006-10-24 |
| 12 | 42-003-39852 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,500 | 2006-04-24 |
| 21 | 42-003-39853 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,500 | 2006-04-24 |
| 17 | 42-003-39446 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-31 |
| 18 | 42-003-39448 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-31 |
| 19 | 42-003-39445 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-31 |
| 20 | 42-003-39443 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-31 |
| 15 | 42-003-39444 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-24 |
| 16 | 42-003-39447 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,300 | 2005-01-24 |
| 13C | 42-003-36937 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| 14 C | 42-003-36938 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| 8A | 42-003-36936 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| 9A | 42-003-36934 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| B 12 | 42-003-36935 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| B 12 | 42-003-36935 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1991-05-24 |
| 11C | 42-003-36864 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1990-12-13 |
| 12C | 42-003-36863 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1990-12-13 |
| 5CR | 42-003-36500 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1989-09-06 |
| A 2CR | 42-003-36492 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1989-08-28 |
| 1CR | 42-003-36481 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1989-08-11 |
| 4CR | 42-003-36210 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,200 | 1988-07-19 |
| 9 C | 42-003-00253 | HIGHMARK ENERGY OPERATING, LLC | 1 | 7,215 | 1981-10-27 |
| 6W | 42-003-03314 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 7 C | 42-003-00261 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| 8 C | 42-003-00252 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 1 | 42-003-03303 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 2 | 42-003-03305 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 3 | 42-003-03307 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 4 | 42-003-03309 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 5 | 42-003-03311 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 6 | 42-003-03313 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| A 7 | 42-003-03315 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 1 | 42-003-03304 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 2 | 42-003-03306 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 3 | 42-003-03308 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 4 | 42-003-03310 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 5 | 42-003-03312 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 6 | 42-003-03314 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 7 | 42-003-03316 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |
| B 8 | 42-003-03317 | HIGHMARK ENERGY OPERATING, LLC | -- | -- | -- |